It seems you have not down loaded the 'additional resources'. It should be called resources_9_20.zip and contains SDK 30, not SDK 29. Delete the SDK and start again.
B4A includes all the features needed to quickly develop any type of Android app. B4A is used by tens of thousands of developers from all over the world, including companies such as NASA, HP, IBM and others.
B4A includes all the features needed to quickly develop any type of Android app. B4A is used by tens of thousands of developers from all over the world, including companies such as NASA, HP, IBM and others.